test: ensure role gathers the facts it uses by having test clear_facts before include_role

[richm]

The role gathers the facts it uses. For example, if the user uses
ANSIBLE_GATHERING=explicit, the role uses the setup module with the
facts and subsets it requires.

This change allows us to test this. Before every role invocation, the test
will use meta: clear_facts so that the role starts with no facts.

Create a task file tests/tasks/run_role_with_clear_facts.yml to do the tasks
to clear the facts and run the role. Note that this means we don't need to
use gather_facts for the tests.

Some vars defined using ansible_facts have been changed to be defined with
set_fact instead. This is because of the fact that vars are lazily
evaluated - the var might be referenced when the facts have been cleared, and
will issue an error like ansible_facts["distribution"] is undefined. This is
typically done for blocks that have a when condition that uses ansible_facts
and the block has a role invocation using run_role_with_clear_facts.yml
These have been rewritten to define the when condition using set_fact. This
is because the when condition is evaluated every time a task is invoked in the
block, and if the facts are cleared, this will raise an undefined variable error.

Signed-off-by: Rich Megginson rmeggins@redhat.com

Summary by Sourcery

Introduce a shared test helper that clears Ansible facts before each role invocation and update tests to use it so the mssql role is exercised with explicit fact gathering.

Bug Fixes:

• Prevent test failures caused by lazy evaluation of ansible_facts when facts are cleared between role runs.

Enhancements:

• Centralize role execution in tests via a reusable run_role_with_clear_facts task file that supports tasks_from, public, and failed_when semantics.
• Precompute fact-based conditions with set_fact in tests to avoid undefined variable errors after facts are cleared.
• Simplify test playbooks by dropping redundant gather_facts directives, relying on the role to gather required facts.

Tests:

• Refactor mssql role test playbooks to include the new run_role_with_clear_facts helper instead of calling the role directly, ensuring each test run starts from a clean fact state.

[sourcery-ai]

Reviewer's Guide

This PR refactors the MSSQL role tests to run the role through a new helper task file that clears Ansible facts before each invocation, and restructures conditional logic that depended on ansible_facts to avoid undefined-variable errors when facts are cleared.

File-Level Changes

Change	Details	Files
Introduce a reusable helper task file to clear facts then run the mssql role with optional behavior flags.	Add tests/tasks/run_role_with_clear_facts.yml that calls meta: clear_facts before include_role for linux-system-roles.mssql. Support parameters for tasks_from, public variable export, and a __sr_failed_when flag to simulate include_role failed_when behavior using a block/rescue. Ensure the role is also run in a normal path guarded by __sr_failed_when defaulting to true.	tests/tasks/run_role_with_clear_facts.yml
Update tests to use the new helper instead of including the role directly, and to avoid explicit gather_facts where no longer needed.	Replace include_role: linux-system-roles.mssql with include_tasks: tasks/run_role_with_clear_facts.yml across many role test task files and playbooks. Pass through __sr_public in tests that previously used include_role public: true. Remove explicit gather_facts: true/false from several test playbooks now that the role is responsible for gathering the facts it needs.	tests/tasks/tests_ha_single.yml tests/tasks/tests_tls.yml tests/tasks/assert_fail_on_unsupported_ver.yml tests/tests_selinux_enforcing_2022.yml tests/tasks/tests_input_sql_file.yml tests/tasks/tests_password.yml tests/tests_2019_upgrade.yml tests/tests_2022_upgrade.yml tests/tests_configure_ha_cluster_external.yml tests/tasks/tests_idempotency.yml tests/tasks/tests_tcp_firewall.yml tests/tasks/upgrade_and_assert.yml tests/playbooks/tests_ad_integration.yml tests/playbooks/tests_ad_integration_join_false.yml tests/playbooks/tests_ad_integration_w_keytab.yml tests/tests_accept_eula.yml tests/tests_configure_ha_cluster_external_read_only.yml tests/tests_configure_ha_cluster_read_scale.yml tests/tests_default_2019.yml tests/tests_ha_single_2017.yml tests/tests_ha_single_2019.yml tests/tests_ha_single_2022.yml tests/tests_idempotency_2017.yml tests/tests_idempotency_2019.yml tests/tests_idempotency_2022.yml tests/tests_include_vars_from_parent.yml
Prevent lazy evaluation of conditions referencing ansible_facts that would break after meta: clear_facts by precomputing them with set_fact.	Add set_fact tasks that compute boolean helper vars (for example, __mssql_ha_el7_configure_block, __mssql_assert_unsupported_platform, __mssql_selinux_unsupported_pre_rhel9) from ansible_facts before any facts are cleared. Update when clauses to reference these helper vars instead of directly accessing ansible_facts, avoiding undefined-variable errors after clear_facts.	tests/tasks/tests_ha_single.yml tests/tasks/assert_fail_on_unsupported_ver.yml tests/tests_selinux_enforcing_2022.yml

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[richm]

[citest]

[sourcery-ai]

Hey - I've reviewed your changes and they look great!

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[richm]

@spetrosi are these errors expected? They don't look like they are related to clearing facts.